stanby clock change colour

hi got vu+duo2 with latest BH 3.0.3 image, now when i put my duo2 in stanby the LCD displays a large whit clock, how do i change the colour of that clock to say blue? ive been messing about in the lcd4linux plugin, i can get the clock to change colour when the duo2 is on, but reverts back to white again when in stanby..ta